Paper WIP
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jaseg
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32 changed files with 408 additions and 93 deletions
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@ -1,12 +1,12 @@
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Results calculated from plots fig_covar_open_p0.3.pdf / fig_cdf_open_p0.3.pdf on 2025-07-10T11:36:27.906393
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Results calculated from plots fig_covar_open_p0.3.pdf / fig_cdf_open_p0.3.pdf on 2025-07-10T16:50:18.765540
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setting threshold for quantile 0.001
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Baseline threshold set at 0.222156
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Baseline threshold set at 0.976378
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Distribution parameters:
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Within class: 0.434±0.0686 min: 0.312 max: 0.558
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Cross class: -2.66±0.435 min: -3.46 max: -1.73
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Within class: 0.982±0.00198 min: 0.977 max: 0.986
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Cross class: 0.699±0.0452 min: 0.634 max: 0.767
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Type 1 error (false alarm rate): 0.001000000000
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Type 2 error (missed alarm rate): 0.000000000017
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EER: 0.0 th: 0.3114283518396177
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Type 2 error (missed alarm rate): 0.000000000415
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EER: 0.0 th: 0.9701882899735962
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@ -1,12 +1,12 @@
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Results calculated from plots fig_covar_open_p0.4.pdf / fig_cdf_open_p0.4.pdf on 2025-07-10T11:36:28.043642
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Results calculated from plots fig_covar_open_p0.4.pdf / fig_cdf_open_p0.4.pdf on 2025-07-10T16:50:19.105908
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setting threshold for quantile 0.001
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Baseline threshold set at -0.044841
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Baseline threshold set at 0.961962
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Distribution parameters:
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Within class: 0.263±0.0995 min: -0.0456 max: 0.438
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Cross class: -1.62±0.282 min: -2.38 max: -1.15
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Within class: 0.969±0.00239 min: 0.966 max: 0.974
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Cross class: 0.735±0.0434 min: 0.696 max: 0.859
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Type 1 error (false alarm rate): 0.001000000000
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Type 2 error (missed alarm rate): 0.000000011687
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EER: 0.0 th: -0.05437290229507008
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Type 2 error (missed alarm rate): 0.000000089605
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EER: 0.0 th: 0.9617505986759662
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@ -1,4 +1,4 @@
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Results calculated from plots fig_covar_patch_p0.3.pdf / fig_cdf_patch_p0.3.pdf on 2025-07-10T11:36:28.989347
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Results calculated from plots fig_covar_patch_p0.3.pdf / fig_cdf_patch_p0.3.pdf on 2025-07-10T16:48:44.217407
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setting threshold for quantile 0.001
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Baseline threshold set at 0.983033
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@ -1,4 +1,4 @@
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Results calculated from plots fig_covar_patch_p0.3_minmax.pdf / fig_cdf_patch_p0.3_minmax.pdf on 2025-07-10T11:36:29.129157
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Results calculated from plots fig_covar_patch_p0.3_minmax.pdf / fig_cdf_patch_p0.3_minmax.pdf on 2025-07-10T16:48:44.360756
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setting threshold for quantile 0.001
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Baseline threshold set at 0.313374
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@ -1,12 +1,12 @@
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Results calculated from plots fig_covar_probe_points_p0.3.pdf / fig_cdf_probe_points_p0.3.pdf on 2025-07-10T11:36:28.177616
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Results calculated from plots fig_covar_probe_points_p0.3.pdf / fig_cdf_probe_points_p0.3.pdf on 2025-07-10T16:50:19.460732
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setting threshold for quantile 0.001
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Baseline threshold set at 0.222156
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Baseline threshold set at 0.976378
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Distribution parameters:
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Within class: 0.434±0.0686 min: 0.312 max: 0.558
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Cross class: 0.439±0.0676 min: 0.281 max: 0.563
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Within class: 0.982±0.00198 min: 0.977 max: 0.986
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Cross class: 0.982±0.00166 min: 0.978 max: 0.984
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Type 1 error (false alarm rate): 0.001000000000
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Type 2 error (missed alarm rate): 0.999333182506
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EER: 0.5393939393939394 th: 0.4468653841422197
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Type 2 error (missed alarm rate): 0.999354499878
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EER: 0.4133333333333334 th: 0.9822763983433783
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@ -1,12 +1,12 @@
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Results calculated from plots fig_covar_probe_points_p0.4.pdf / fig_cdf_probe_points_p0.4.pdf on 2025-07-10T11:36:28.309466
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Results calculated from plots fig_covar_probe_points_p0.4.pdf / fig_cdf_probe_points_p0.4.pdf on 2025-07-10T16:50:19.836853
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setting threshold for quantile 0.001
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Baseline threshold set at -0.044841
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Baseline threshold set at 0.961962
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Distribution parameters:
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Within class: 0.263±0.0995 min: -0.0456 max: 0.438
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Cross class: 0.254±0.0908 min: 0.0437 max: 0.397
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Within class: 0.969±0.00239 min: 0.966 max: 0.974
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Cross class: 0.971±0.00242 min: 0.966 max: 0.975
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Type 1 error (false alarm rate): 0.001000000000
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Type 2 error (missed alarm rate): 0.999511411088
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EER: 0.4923076923076923 th: 0.2817379300134156
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Type 2 error (missed alarm rate): 0.999848317762
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EER: 0.6333333333333333 th: 0.9697796637264954
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@ -1,12 +1,12 @@
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Results calculated from plots fig_covar_short_across_traces_p0.3.pdf / fig_cdf_short_across_traces_p0.3.pdf on 2025-07-10T11:36:27.634643
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Results calculated from plots fig_covar_short_across_traces_p0.3.pdf / fig_cdf_short_across_traces_p0.3.pdf on 2025-07-10T16:50:17.440748
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setting threshold for quantile 0.001
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Baseline threshold set at 0.222156
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Baseline threshold set at 0.976378
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Distribution parameters:
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Within class: 0.434±0.0686 min: 0.312 max: 0.558
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Cross class: -4±0.303 min: -4.75 max: -3.5
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Within class: 0.982±0.00198 min: 0.977 max: 0.986
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Cross class: 0.565±0.0481 min: 0.477 max: 0.666
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Type 1 error (false alarm rate): 0.001000000000
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Type 2 error (missed alarm rate): 0.000000000000
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EER: 0.0 th: 0.2915482296934595
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EER: 0.0 th: 0.9724856278409246
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@ -1,12 +1,12 @@
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Results calculated from plots fig_covar_short_across_traces_p0.4.pdf / fig_cdf_short_across_traces_p0.4.pdf on 2025-07-10T11:36:27.774678
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Results calculated from plots fig_covar_short_across_traces_p0.4.pdf / fig_cdf_short_across_traces_p0.4.pdf on 2025-07-10T16:50:17.721095
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setting threshold for quantile 0.001
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Baseline threshold set at -0.044841
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Baseline threshold set at 0.961962
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Distribution parameters:
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Within class: 0.263±0.0995 min: -0.0456 max: 0.438
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Cross class: -2.6±0.907 min: -4.33 max: -1.5
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Within class: 0.969±0.00239 min: 0.966 max: 0.974
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Cross class: 0.585±0.0657 min: 0.501 max: 0.761
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Type 1 error (false alarm rate): 0.001000000000
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Type 2 error (missed alarm rate): 0.002394140016
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EER: 0.0 th: -0.08129093490444816
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Type 2 error (missed alarm rate): 0.000000004592
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EER: 0.0 th: 0.9656144972371224
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@ -1,12 +1,12 @@
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Results calculated from plots fig_covar_short_within_0.3_min_max.pdf / fig_cdf_short_within_0.3_min_max.pdf on 2025-07-10T13:55:11.516583
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Results calculated from plots fig_covar_short_within_0.3_min_max.pdf / fig_cdf_short_within_0.3_min_max.pdf on 2025-07-10T17:11:57.629626
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setting threshold for quantile 0.001
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Baseline threshold set at 0.716948
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Baseline threshold set at 0.447921
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Distribution parameters:
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Within class: 0.874±0.0508 min: 0.744 max: 0.958
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Cross class: 0.371±0.516 min: -0.784 max: 0.917
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Within class: 0.734±0.0925 min: 0.486 max: 0.847
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Cross class: -0.0231±0.645 min: -1.28 max: 0.785
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Type 1 error (false alarm rate): 0.001000000000
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Type 2 error (missed alarm rate): 0.251343787841
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EER: 0.22647058823529412 th: 0.8286649223477585
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Type 2 error (missed alarm rate): 0.232487050396
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EER: 0.23157894736842105 th: 0.6595285800360724
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Results calculated from plots fig_covar_touch_combined.pdf / fig_cdf_touch_combined.pdf on 2025-07-10T11:36:26.705116
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Results calculated from plots fig_covar_touch_combined.pdf / fig_cdf_touch_combined.pdf on 2025-07-10T17:05:18.731896
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setting threshold for quantile 0.001
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Baseline threshold set at 0.978979
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@ -15,7 +15,8 @@
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\usepackage{wasysym}
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\usepackage[binary-units]{siunitx}
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\usepackage{commath}
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\usepackage{graphicx,color}
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\usepackage{graphicx}
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\usepackage{color}
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\usepackage{colortbl}
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\usepackage{subcaption}
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\usepackage{placeins}
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@ -23,7 +24,12 @@
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\usepackage{censor}
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\usepackage{hyperref}
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\usepackage{makecell}
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\usepackage{tcolorbox}
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\tcbuselibrary{skins}
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\tcbuselibrary{breakable}
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\usepackage{float}
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\definecolor{highlightgreen}{rgb}{0.18 0.4 0.13}
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\DeclareSIUnit{\baud}{Bd}
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\DeclareSIUnit{\year}{a}
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\DeclareSIUnit{\rpm}{rpm}
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@ -1103,13 +1109,100 @@ thinking about attacker capabilities. Applying their taxonomy, our monitoring sy
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a patching attack from a \emph{skilled} attacker to an \emph{expert} attacker, and the equipment requirement from
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\emph{standard} equipment to \emph{bespoke} equipment such as dielectric drill bits and ceramic soldering tips.
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% https://tex.stackexchange.com/questions/336201/vertical-highlight-of-a-paragraph
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\begin{tcolorbox}[breakable,
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enhanced,
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colback=yellow!10!white,
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boxrule=0pt,frame hidden,
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borderline west={1mm}{-2mm}{highlightgreen}]
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\begin{figure}[H]
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\begin{subfigure}{0.5\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_patch_repeat_tridelta_all_the_data_p0.3.pdf}
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\label{fig_covar_patch_repeat_tridalta_all_the_data_covar}
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\caption{Covariance Metric, Missed alarm rate 35.5\% at 0.1\% false alarm rate, CER=14.6\%.}
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\end{subfigure}
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\hspace*{2mm}
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\begin{subfigure}{0.5\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_patch_repeat_tridalta_all_the_data_p0.3_minmax.pdf}
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\label{fig_covar_patch_repeat_tridalta_all_the_data_minmax}
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\caption{Min/Max Metric, Missed alarm rate 91\% at 0.1\% false alarm rate, CER=22.6\%.}
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\end{subfigure}
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\caption{Covariance matrices comparing all environmental runs as well as experiment baselines and seven runs of
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meshes that have a broken trace patched by a soldered wire.}
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\end{figure}
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\begin{figure}[H]
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\begin{subfigure}[t]{0.23\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_probe_0.3.pdf}
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\label{}
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\caption{Oscilloscope probe}
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\end{subfigure}
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\hfill
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\begin{subfigure}[t]{0.23\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_soldering_p0.3.pdf}
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\label{}
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\caption{Soldering iron}
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\end{subfigure}
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\hfill
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\begin{subfigure}[t]{0.23\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_antenna_wire_30mm_p0.3.pdf}
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\label{}
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\caption{30mm wire soldered}
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\end{subfigure}
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\hfill
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\begin{subfigure}[t]{0.23\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_probe_points_p0.3.pdf}
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\label{}
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\caption{Baseline vs. for previous plots specimens with soldermask removed}
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\end{subfigure}
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\caption{}
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%too much: fig_covar_soldering_p0.3_minmax.pdf
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%too much: fig_covar_antenna_wire_30mm_p0.3_minmax.pdf
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\end{figure}
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\begin{figure}[H]
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\begin{subfigure}[t]{0.25\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_time_drift.pdf}
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\label{}
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\caption{Time drift (2.5h)}
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\end{subfigure}
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\hfill
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\begin{subfigure}[t]{0.4\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_touch_combined.pdf}
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\label{}
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\caption{Touch sensitivity}
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\end{subfigure}
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\hfill
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\begin{subfigure}[t]{0.25\textwidth}
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\includegraphics[width=\textwidth]{fig_covar_hot_mesh.pdf}
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\label{}
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\caption{Mesh heated (\qty{70}{\degree C})}
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\end{subfigure}
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\caption{}
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\end{figure}
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% fig_covar_short_within_0.3.pdf % FIXME repeat these runs, we have conflicting data. Do runs in both .3 and .4, .4
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% seems to work better.
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%fig_covar_open_p0.3.pdf
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%fig_covar_open_p0.4.pdf
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%fig_covar_short_across_traces_p0.3.pdf
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%fig_covar_short_across_traces_p0.4.pdf
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%fig_covar_distinguish_layouts.pdf
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%fig_covar_distinguish_copies.pdf % FIXME repeat these runs, the results look a bit too good!
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% FIXME
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\begin{figure}
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\begin{figure}[H]
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\centering
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\includegraphics[width=1.0\textwidth]{fig_tempco_edited.pdf}
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\caption{}
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\label{fig_pic_board}
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\end{figure}
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\end{tcolorbox}
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\section{Future Work}
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\paragraph{Design variants.} The \partno{STM32G4}'s \partno{HRTIM} peripheral is limited by to the comparatively slow
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